551416717 has 8 divisors (see below), whose sum is σ = 563347224. Its totient is φ = 539542848.

The previous prime is 551416703. The next prime is 551416739. The reversal of 551416717 is 717614155.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 343509156 + 207907561 = 18534^2 + 14419^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 551416717 - 2⁷ = 551416589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551416757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5823 + ... + 33715.

It is an arithmetic number, because the mean of its divisors is an integer number (70418403).

Almost surely, 2^551416717 is an apocalyptic number.

It is an amenable number.

551416717 is a deficient number, since it is larger than the sum of its proper divisors (11930507).

551416717 is a wasteful number, since it uses less digits than its factorization.

551416717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28319.

The product of its digits is 29400, while the sum is 37.

The square root of 551416717 is about 23482.2638814915. The cubic root of 551416717 is about 820.0241500918.

The spelling of 551416717 in words is "five hundred fifty-one million, four hundred sixteen thousand, seven hundred seventeen".